Crank arm and chainring assembly for a bicycle



FIG. 1 is an exploded left and top perspective view of a crank arm and chainring assembly for a bicycle showing my new design.

FIG. 2 is an exploded left and top perspective view of a crank arm and chainring assembly for a bicycle.

FIG. 3 is a front side view of FIG. 1.

FIG. 4 is a back side view of FIG. 1.

FIG. 5 is a right side view of FIG. 1.

FIG. 6 is a left side view of FIG. 1.

FIG. 7 is a left and top perspective view of a crank arm and chainring assembly for a bicycle.

FIG. 8 is a left and bottom perspective view of a crank arm chainring assembly for a bicycle.

FIG. 9 is a front side view of FIG. 7.

FIG. 10 is a back side view of FIG. 7.

FIG. 11 is a right side view of FIG. 7.

FIG. 12 is a left side view of FIG. 7.

FIG. 13 is a top view of FIG. 7; and,

FIG. 14 is a bottom view of FIG. 7. 

CLAIM I claim the ornamental design for a crank arm and chainring assembly for a bicycle, as shown and described. 